1. Kinetic energy of electron gas. Show that the kinetic energy of a three-dimensio gas of N free electrons at 0 K is U, =Nep .
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![1. Kinetic energy of electron gas. Show that the kinetic energy of a three-dimensional
gas of N free electrons at 0 K is
U, =Nep .](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feddd21c1-71d1-4c83-8ff4-ddc59d28ebcd%2F889bf4e0-af50-4cfd-b18a-7cca4190bb03%2Fig9r6ge_processed.jpeg&w=3840&q=75)
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